China vaccine efficacy: Some countries using Sinovac and Sinopharm are still seeing Covid-19 cases
What links these countries is that they have each fully inoculated more than 50% of their populations, largely with Chinese-made coronavirus vaccines. And that’s raised questions over the vaccines’ efficacy.
If the Chinese vaccines aren’t working, that’s a huge problem — and not just from a health perspective. Beijing has staked its reputation on providing other countries with vaccines.
Experts say that while these Chinese vaccines might not be as effective as some, they aren’t a failure. No vaccine gives 100% protection against Covid-19, so breakthrough cases are to be expected.
The crucial metric for measuring success, they say, is preventing deaths and hospitalizations, not aiming for zero Covid-19.
Why are vaccinated people getting sick?
China has two vaccines authorized for emergency use by the World Health Organization (WHO), Sinopharm and Sinovac. Both use inactivated viruses…